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|
#!/usr/bin/perl -I /root/tgmanage
use strict;
BEGIN {
require "include/config.pm";
eval {
require "include/config.local.pm";
};
}
use Net::IP;
use Net::IP qw(:PROC);
# FIXME: THIS IS NOT APPRORPIATE!
my $serial = `date +%Y%m%d01`;
chomp $serial;
# FIXME
unless ( (($#ARGV == 0 ) || ( $#ARGV == 1))
&& (( $ARGV[0] eq "master" ) || ( $ARGV[0] eq "slave" )) )
{
print STDERR "Invalid usage!\ncat netnames.txt | $0 <master|slave> [basedir]\n";
exit 1;
}
my $role = $ARGV[0];
my $base = "/etc";
$base = $ARGV[1] if $#ARGV == 1;
$base .= "/" if not $base =~ m/\/$/ and not $base eq "";
print STDERR "Role is " . $role . "\n";
print STDERR "Base dir is " . $base . "\n";
my $bind_base = $base . "bind/";
my $dhcpd_base = $base . "dhcp/";
my $dhcp_dynconf_dir = $dhcpd_base . "conf.d/";
my $bind_conf_master = $bind_base . "conf-master/";
my $bind_conf_slave = $bind_base . "conf-slave/";
my $tgname = $nms::config::tgname;
my $pri_hostname = $nms::config::pri_hostname;
my $pri_v4 = $nms::config::pri_v4;
my $pri_v6 = $nms::config::pri_v6;
my $sec_hostname = $nms::config::sec_hostname;
my $sec_v4 = $nms::config::sec_v4;
my $sec_v6 = $nms::config::sec_v6;
my $ext_xfer = $nms::config::ext_xfer;
my $ext_ns = $nms::config::ext_ns;
my $ddns_key = $nms::config::ddns_key;
my $base_ipv4net = $nms::config::base_ipv4net;
my $base_ipv4prefix = $nms::config::base_ipv4prefix;
my $ddns_to = $nms::config::ddns_to;
my $base_ipv4 = new Net::IP( $base_ipv4net . "/" . $base_ipv4prefix );
$base_ipv4net =~ m/^(\d+)\.(\d+)\.(\d+)\..*/;
my ( $cp_oct, $cs_oct, $ct_oct ) = ( $1, $2, $3 );
while ( <STDIN> )
{
next if ( $_ =~ m/^#/);
my $line = $_;
chomp $line;
die ("Invalid format on input") if not $line =~ m/^(\d+)\.(\d+)\.(\d+)\.(\d+)\s+(\d+)\s+([\w|-]+)\s*.*/;
my ( $p_oct, $s_oct, $t_oct, $f_oct, $size, $name ) = ( $1, $2, $3, $4, $5, $6 );
my $dhconfig = $dhcp_dynconf_dir . $name . ".conf";
my $master_config = $bind_conf_master . $name . ".conf";
my $slave_config = $bind_conf_slave . $name . ".conf";
my $zone_file = $bind_base . "dynamic/$name.$tgname.gathering.org.zone";
my $net_base = $p_oct . "." . $s_oct . "." . $t_oct;
my $net = $net_base . "." . $f_oct;
my $range = new Net::IP( $net . "/" . $size ) or die ("oopxos");
# Create configuration files for DHCP on master/primary
if ( ( not -f $dhconfig ) && ( $role eq "master" ) )
{
print STDERR "Creating file " . $dhconfig . "\n";
my $numhosts = $range->size();
my $mask = $range->mask();
my $router = $net_base . "." . ($f_oct+1);
my $first = $net_base . "." . ( $f_oct + 5 );
my $last = $first;
if ( $size < 24 )
{
# Net::IP iteration is crazyslow. So, we stopped using iterations.
my $last_ip = $range->last_ip();
$last_ip =~ m/(\d+)\.(\d+)\.(\d+)\.(\d+)/;
$last = sprintf("%d.%d.%d.%d", $1, $2, $3, $4-2);
}
else { $last = $net_base . "." . ( $f_oct + $numhosts - 2 ); }
#print STDERR "Name : " . $name . "\n";
#print STDERR "Net : " . $net . "\n";
#print STDERR "Mask : " . $mask . "\n";
#print STDERR "Router : " . $router . "\n";
#print STDERR "Size : " . $size . "\n";
#print STDERR "Numhosts : " . $numhosts . "\n";
#print STDERR "First : " . $first . "\n";
#print STDERR "Last : " . $last . "\n";
open DFILE, ">" . $dhconfig or die ( $! . " " . $dhconfig);
print DFILE "zone $name.$tgname.gathering.org {\n";
print DFILE " primary $ddns_to;\n";
print DFILE " key DHCP_UPDATER;\n";
print DFILE "}\n\n";
print DFILE "subnet $net netmask $mask {\n";
print DFILE " authoritative;\n";
print DFILE " option routers $router;\n";
print DFILE " option domain-name \"$name.$tgname.gathering.org\";\n";
print DFILE " ddns-domainname \"$name.$tgname.gathering.org\";\n";
print DFILE " range $first $last;\n";
print DFILE " ignore client-updates;\n";
print DFILE "}\n\n";
close DFILE;
}
# Create zone files for bind9 on master/primary
if ( ( not -f $zone_file ) && ( $role eq "master" ) )
{
print STDERR "Creating file " . $zone_file . "\n";
open ZFILE, ">" . $zone_file or die ( $! . " " . $zone_file);
print ZFILE << "EOF";
; Base reverse zones are updated from dhcpd -- DO NOT TOUCH!
\$TTL 3600
@ IN SOA $pri_hostname.$tgname.gathering.org. abuse.gathering.org. (
$serial ; serial
3600 ; refresh
1800 ; retry
608400 ; expire
3600 ) ; minimum and default TTL
IN NS $pri_hostname.$tgname.gathering.org.
IN NS $sec_hostname.$tgname.gathering.org.
\$ORIGIN $name.$tgname.gathering.org.
EOF
close ZFILE;
}
# Create bind9 configuration files for zones.
my $bind_file = "";
$bind_file = $master_config if ( $role eq "master");
$bind_file = $slave_config if ( $role eq "slave");
die ("WTF, role does not match 'master' or 'slave'" ) if ( $bind_file eq "");
if ( not -f $bind_file )
{
print STDERR "Creating file " . $bind_file . "\n";
open NFILE, ">" . $bind_file or die ( $! . " " . $bind_file);
print NFILE "zone \"$name.$tgname.gathering.org\" {\n";
if ( $role eq "master" ) {
print NFILE " type master;\n";
print NFILE " notify yes;\n";
print NFILE " allow-update { key DHCP_UPDATER; };\n";
print NFILE " file \"dynamic/$name.$tgname.gathering.org.zone\";\n";
}
else
{
print NFILE " type slave;\n";
print NFILE " notify no;\n";
print NFILE " masters { bootstrap; };\n";
print NFILE " file \"slave/$name.$tgname.gathering.org.zone\";\n";
}
print NFILE " allow-transfer { ns-xfr; };\n";
print NFILE "};\n";
close NFILE;
}
}
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